Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 22:33

General

  • Target

    JaffaCakes118_610a5bb500697e04ad2ac6490583ba7a.exe

  • Size

    2.7MB

  • MD5

    610a5bb500697e04ad2ac6490583ba7a

  • SHA1

    42ec3940e0d1ec39921a09e190daa58c82746e4c

  • SHA256

    893b34da2da4e2d973394660b19074a94542c899fc6cc139f007dc924c8a61f3

  • SHA512

    9f07b5939b62ba01b30b20feddfb21b6550a0ef462954d98c6cfbfda6390a4f98d8b5ba597ce9136c323e58fca57e8326a7a7207d057ed94b40524cf8ed89c04

  • SSDEEP

    49152:57M/SzhyhZ+njgVwnD3lH1THNHltpgZu7To/PjssKzVewMMMMMMMMMMMMMMMMMM4:57tz4+ThHyM7To/PopzVzMMMMMMMMMMo

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610a5bb500697e04ad2ac6490583ba7a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610a5bb500697e04ad2ac6490583ba7a.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_610a5bb500697e04ad2ac6490583ba7a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_610a5bb500697e04ad2ac6490583ba7a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_610a5bb500697e04ad2ac6490583ba7a.exe

    Filesize

    2.7MB

    MD5

    cd3e58d218848ab20d6d3ab923395faf

    SHA1

    ceab5f784294c29138cfdef3cf0664b3528e2e99

    SHA256

    908a2a6c89c592a9f52ec53b50de1b1683959168434c6e72c0788e2a427b2f2c

    SHA512

    79f96dafb17a0b57cb2731e484b76fe7dba70270697e2af2ae148722c1857b6a3ddefb262814124d02e642b277cf799e2492bb66d2bbd4af8300b026f7612b36

  • memory/3564-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-105-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4168-106-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-109-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-100-0x0000000002B70000-0x0000000002B71000-memory.dmp

    Filesize

    4KB

  • memory/4168-102-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-97-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-13-0x0000000002B70000-0x0000000002B71000-memory.dmp

    Filesize

    4KB

  • memory/4168-12-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-107-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-108-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-99-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-110-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-111-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-112-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-113-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-114-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-115-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-116-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB

  • memory/4168-117-0x0000000000400000-0x0000000000CBF000-memory.dmp

    Filesize

    8.7MB